Synced 16 Jun 2026 15:24 UTC Account
← All products

CVE-2017-9058

CRITICAL severity · CVSS 9.8 · Out-of-bounds read
9.8CVSS CRITICAL

Summary

In libytnef in ytnef through 1.9.2, there is a heap-based buffer over-read due to incorrect boundary checking in the SIZECHECK macro in lib/ytnef.c.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)2%

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862556 ↗